Fix html tag line break (#28140)

(cherry picked from commit a8b8e62)

Author: chad-ramos

src/components-examples/material/list/list-variants/list-variants-example.html

@@ -45,8 +45,8 @@ <h3>Three line list with secondary text wrapping</h3>
 <mat-list class="example-list-wrapping">
   <mat-list-item lines="3">
     <span matListItemTitle>Title</span>
-    <span
-      >Secondary line that will wrap because the list lines is explicitly set to 3 lines. Text
+    <span>
+      Secondary line that will wrap because the list lines is explicitly set to 3 lines. Text
       inside of a `matListItemTitle` or `matListItemLine` will never wrap.
     </span>
   </mat-list-item>